High Flow Cat
#1
Rx-7 = Expensive Habit
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Join Date: Oct 2005
Location: Fort Recovery, OH
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High Flow Cat
Hey guys, im kinda a newb but I have a question for ya....I just got my fd and it came with a megan racing exhaust and dosent have a cat...so basically it sounds like a huge fart ...I was wonderin what your opinions were to get rid of this...im just thinking of puttin in a high flow cat...or should I check out other exhaust systems....so lemme know what ya think
Thanks, Justin
Thanks, Justin
#3
Rx-7 = Expensive Habit
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Yea, I have a boost gauge...I just got the engine rebuilt at rx7store in columbus...Also, im getting a apexi power fc installed once I break the engine in completely...
#5
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The hi-flow cat will help with the sound somewhat, but that's kind of the rotary sound with an open exhaust....a better cat-back like the Racing Beat would improve the sound quality a lot.
#6
Will
Join Date: Apr 2007
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I have a full downpipe exhaust system on my fd, but it has a huge cat right in the middle of the car. the guy at the garage were i bought there car suggested i taker the car out and replace it with a straight pipe. to gain horse and decrese heat. plus the cat is a lil rusty. what do u guys think?
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#8
Will
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so i should just replace the rusty catback with a newer one? He has a pretty highly modded FD and he has done alot into it and he has run into pretty much any problem with an fd u can run into... why would he say such things?
#12
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Yeah be careful. A nearly stock FD with an intake and a straight exhaust w/ no cat is a disaster in the making resulting in overboosting and running lean. Read new engine.
I'd invest in a good boost controller and possibly ecu upgrade or piggyback before going with no cats. Without it, go with a highflow cat.
I'd invest in a good boost controller and possibly ecu upgrade or piggyback before going with no cats. Without it, go with a highflow cat.
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